JP3621710B2 - 動的適応性等化器システム及び方法 - Google Patents

動的適応性等化器システム及び方法 Download PDF

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Publication number
JP3621710B2
JP3621710B2 JP19860093A JP19860093A JP3621710B2 JP 3621710 B2 JP3621710 B2 JP 3621710B2 JP 19860093 A JP19860093 A JP 19860093A JP 19860093 A JP19860093 A JP 19860093A JP 3621710 B2 JP3621710 B2 JP 3621710B2
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Japan
Prior art keywords
input
circuit
signal
data
taps
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Expired - Fee Related
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JP19860093A
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English (en)
Japanese (ja)
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JPH06188686A (ja
Inventor
ブルース・ジェイ・カリヴァン
ジョン・イー・オールソン
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Nokia of America Corp
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Stanford Telecommunications Inc
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Application filed by Stanford Telecommunications Inc filed Critical Stanford Telecommunications Inc
Publication of JPH06188686A publication Critical patent/JPH06188686A/ja
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Publication of JP3621710B2 publication Critical patent/JP3621710B2/ja
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Expired - Fee Related legal-status Critical Current

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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00Adaptive networks
    • H03H21/0012Digital adaptive filters

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
JP19860093A 1992-08-10 1993-08-10 動的適応性等化器システム及び方法 Expired - Fee Related JP3621710B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/926,669 US5416799A (en) 1992-08-10 1992-08-10 Dynamically adaptive equalizer system and method
US926669 1992-08-10

Publications (2)

Publication Number Publication Date
JPH06188686A JPH06188686A (ja) 1994-07-08
JP3621710B2 true JP3621710B2 (ja) 2005-02-16

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ID=25453537

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JP19860093A Expired - Fee Related JP3621710B2 (ja) 1992-08-10 1993-08-10 動的適応性等化器システム及び方法

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US (1) US5416799A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0583927B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP3621710B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE69323813D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW275674B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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JP3102221B2 (ja) * 1993-09-10 2000-10-23 三菱電機株式会社 適応等化器および適応ダイバーシチ等化器
US5648987A (en) * 1994-03-24 1997-07-15 Samsung Electronics Co., Ltd. Rapid-update adaptive channel-equalization filtering for digital radio receivers, such as HDTV receivers
US6233274B1 (en) 1995-04-27 2001-05-15 Wavetek Wandel Goltermann Non-invasive digital cable test system
US5751766A (en) 1995-04-27 1998-05-12 Applied Signal Technology, Inc. Non-invasive digital communications test system
US5907497A (en) * 1995-12-28 1999-05-25 Lucent Technologies Inc. Update block for an adaptive equalizer filter configuration
US5805481A (en) * 1995-12-28 1998-09-08 Lucent Technologies, Inc. Update block for an adaptive equalizer filter configuration capable of processing complex-valued coefficient signals
GB9601488D0 (en) * 1996-01-25 1996-03-27 Rca Thomson Licensing Corp Time reversal filter
US5901175A (en) * 1996-04-08 1999-05-04 Samsung Electronics Co., Ltd. Dynamically adaptive equalizer system and method
US5694423A (en) * 1996-08-06 1997-12-02 Lucent Technologies Inc. Method and apparatus for detecting and correcting misconvergence of a blind equalizer
US5999567A (en) * 1996-10-31 1999-12-07 Motorola, Inc. Method for recovering a source signal from a composite signal and apparatus therefor
US6084907A (en) * 1996-12-09 2000-07-04 Matsushita Electric Industrial Co., Ltd. Adaptive auto equalizer
US6430287B1 (en) 1997-03-25 2002-08-06 Level One Communications, Inc. Combined parallel adaptive equalizer/echo canceller
US6009448A (en) * 1997-08-18 1999-12-28 Industrial Technology Research Institute Pipelined parallel-serial architecture for a modified least mean square adaptive filter
KR100519284B1 (ko) * 1998-01-14 2005-11-25 엘지전자 주식회사 디지탈 티브이의 읽고 쓰기 가능한 필터
US6563868B1 (en) * 1998-07-17 2003-05-13 General Instruments Corporation Method and apparatus for adaptive equalization in the presence of large multipath echoes
US6477200B1 (en) * 1998-11-09 2002-11-05 Broadcom Corporation Multi-pair gigabit ethernet transceiver
US6438156B1 (en) 1999-02-11 2002-08-20 Adtran, Inc. Stepwise adaptive finite impulse response filter for spread spectrum radio
US7023912B2 (en) * 2002-08-19 2006-04-04 Mitsubishi Electric Research Laboratories, Inc. Hybrid adaptive equalizer for optical communications systems
US7099822B2 (en) * 2002-12-10 2006-08-29 Liberato Technologies, Inc. System and method for noise reduction having first and second adaptive filters responsive to a stored vector
US7162420B2 (en) * 2002-12-10 2007-01-09 Liberato Technologies, Llc System and method for noise reduction having first and second adaptive filters
US8620980B1 (en) 2005-09-27 2013-12-31 Altera Corporation Programmable device with specialized multiplier blocks
US8266199B2 (en) * 2006-02-09 2012-09-11 Altera Corporation Specialized processing block for programmable logic device
US8650236B1 (en) 2009-08-04 2014-02-11 Altera Corporation High-rate interpolation or decimation filter in integrated circuit device
US8601044B2 (en) 2010-03-02 2013-12-03 Altera Corporation Discrete Fourier Transform in an integrated circuit device
US9571182B2 (en) 2010-07-29 2017-02-14 Entropic Communications, Llc Systems and methods for cancellation of cross-coupled noise
EP2599252A4 (en) * 2010-07-29 2016-09-28 Entropic Communications Inc METHOD AND APPARATUS FOR ORTHOGONAL POLARIZATION AND CANCELLATION OF INTERFERENCE BETWEEN SATELLITES
US8645451B2 (en) 2011-03-10 2014-02-04 Altera Corporation Double-clocked specialized processing block in an integrated circuit device
KR102058437B1 (ko) 2013-02-25 2019-12-26 삼성전자주식회사 필터 값 추출기를 포함하는 터치 감지 장치 및 필터 값 추출기
US9509396B2 (en) 2014-11-04 2016-11-29 Entropic Communications, Llc Systems and methods for shared analog-to-digital conversion in a communication system
US9510223B2 (en) 2014-11-04 2016-11-29 Entropic Communications, LLC. Systems and methods for frequency error correction in communication systems
US9231609B1 (en) 2014-11-04 2016-01-05 Entropic Communications, LLC. Systems and methods for frequency generation
CN108336984B (zh) * 2017-01-19 2021-09-03 联发科技股份有限公司 一种凹口滤波器及相关的滤波电路
US12362970B2 (en) * 2023-03-28 2025-07-15 Parade Technologies, Ltd. Adaptive preset-based feed-forward equalization

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Publication number Priority date Publication date Assignee Title
US3543012A (en) * 1968-07-10 1970-11-24 Us Navy Universal digital filter and function generator
US3696235A (en) * 1970-06-22 1972-10-03 Sanders Associates Inc Digital filter using weighting
JPS55117322A (en) * 1979-03-02 1980-09-09 Fujitsu Ltd Binary transversal filter
US4524424A (en) * 1982-02-18 1985-06-18 Rockwell International Corporation Adaptive spectrum shaping filter
US4550415A (en) * 1983-11-16 1985-10-29 At&T Bell Laboratories Fractionally spaced equalization using nyquist-rate coefficient updating
US4694413A (en) * 1984-07-19 1987-09-15 Rca Corporation Compact-structure input-weighted multitap digital filters
JPS6165616A (ja) * 1984-09-07 1986-04-04 Nippon Hoso Kyokai <Nhk> 対称形firディジタルフィルタ
US4853969A (en) * 1987-01-13 1989-08-01 Recognition Equipment Incorporated Quantized digital filter
JPS63205778A (ja) * 1987-02-20 1988-08-25 Sumitomo Electric Ind Ltd ビデオ信号デイジタル化回路
SE461308B (sv) * 1988-06-03 1990-01-29 Ericsson Telefon Ab L M Adaptivt digitalt filter omfattande en icke rekursiv del och en rekursiv del
US5119401A (en) * 1989-11-17 1992-06-02 Nec Corporation Decision feedback equalizer including forward part whose signal reference point is shiftable depending on channel response
US5224123A (en) * 1990-03-19 1993-06-29 Kabushiki Kaisha Toshiba Transversal equalizer
US5243624A (en) * 1991-07-26 1993-09-07 General Instrument Corporation Method and apparatus for updating coefficients in a complex adaptive equalizer

Also Published As

Publication number Publication date
EP0583927A1 (en) 1994-02-23
US5416799A (en) 1995-05-16
JPH06188686A (ja) 1994-07-08
EP0583927B1 (en) 1999-03-10
DE69323813D1 (de) 1999-04-15
TW275674B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1996-05-11

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